7(-3+2a)-5a=-3

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Solution for 7(-3+2a)-5a=-3 equation: 



7(-3+2a)-5a=-3

We move all terms to the left:

7(-3+2a)-5a-(-3)=0

We add all the numbers together, and all the variables

7(2a-3)-5a-(-3)=0

We add all the numbers together, and all the variables

-5a+7(2a-3)+3=0

We multiply parentheses

-5a+14a-21+3=0

We add all the numbers together, and all the variables

9a-18=0

We move all terms containing a to the left, all other terms to the right

9a=18

a=18/9

a=2

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